What are Rahu and Ketu?

Rahu and Ketu are two astro-mythological terms of Vedic vintage which underwent change and expansion of meaning in 6th century CE. Contrary to many statements in print and on the internet, the Rgveda does not mention Rahu. In the Rgveda, eclipses of the Sun and the Moon take place when ( continue reading… )

Aryabhata reinstalled

Rajesh Kochhar Aryabhata (born AD 476) is the founder of Siddhantic astronomy which focused on developing mathematical algorithms for calculating planetary orbits and for predicting lunar and solar eclipses. His concise text, composed in AD 499 and known simply as Aryabhatiyam ( Aryabhata’s), influenced all subsequent work on the subject. ( continue reading… )